{"nrhp_refnum":"100004576","name":"Marl Springs Corral","other_names":[],"category":"structure","location":{"address":"Near Old Government Rd.","address_restricted":false,"city":"Kelso","county":"San Bernardino County","state":"CA","lat":35.168611000000055,"lon":-115.64805499999994,"geom_source":"nps_gis"},"listed_date":"2021-04-26","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Agriculture"],"significance_levels":["local"],"summary":null,"photo":null,"district":{"nrhp_refnum":"100007003","name":"Mojave Road","url":"https://nationalhistoricalregister.com/districts/california/mojave-road-100007003/"},"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":null,"wikipedia":null,"wikidata":null},"indexable":false,"url":"https://nationalhistoricalregister.com/california/san-bernardino-county/marl-springs-corral-100004576/"}